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DNA copy number data from the CE01 clinical study

ABSTRACT: Patients with cervical cancer were treated with external beam radiotherapy (EBRT) at a dose of 45Gy in 25 fractions over five weeks, with weekly cisplatin. Biopsies were taken pre-, during and post-treatment and analysed for copy number changes.

ORGANISM(S): Homo sapiens

PROVIDER: GSE21025 | GEO | 2010/10/25

SECONDARY ACCESSION(S): PRJNA125777

REPOSITORIES: GEO

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DNA copy number data from the CE01 clinical study

Project description:Patients with cervical cancer were treated with external beam radiotherapy (EBRT) at a dose of 45Gy in 25 fractions over five weeks, with weekly cisplatin. Biopsies were taken pre-, during and post-treatment and analysed for copy number changes. Cervical cancer patients were treated with chemoradiotherapy and disease response was followed by array CGH profiling.

2010-10-25 | E-GEOD-21025 | biostudies-arrayexpress

Transcription profiling by array to investigate the effect of combined external beam radiotherapy (photon or carbon) and 131I-Cetuximab endoradiotherapy in A431 xenograft tumors in mice

Project description:Subcutaneous A431 tumors in the right hind limb of NCr nu/nu mice were treated with 5 daily fractions of external beam radiotherapy (2 Gy photon or 1 Gy carbon per fraction), a single fraction of 7.2 MBq 131Iodine-labelled Cetuximab intravenously or a combination of the two. Untreated tumors served as controls. Mice were sacrificed and tumor tissue collected for expression profiling 5 days after endoradiotherapy of 1 week after the last fraction of external beam radiotherapy.

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Combined external beam radiotherapy (photon or carbon) and 131I-MIP-1145 (benzamide) endoradiotherapy in syngeneic B16F10 mouse tumor model

Project description:Subcutaneous B16F10 tumors in the right hind limb of C57BL/6 mice were treated with 5 daily fractions of external beam radiotherapy (8 Gy photon or 5 Gy carbon per fraction), a single fraction of 13.3 MBq 131Iodine-labelled benzamide-derivative MIP-1145 intravenously or a combination of the two. Untreated tumors served as controls. Mice were sacrificed and tumor tissue collected for expression profiling 5 days after endoradiotherapy of 1 week after the last fraction of external beam radiotherapy.

2023-12-08 | E-MTAB-6514 | biostudies-arrayexpress

Genomic profile of fatigued men receiving localized radiation therapy

Project description:Microarray gene expression of peripheral blood of the prostate cancer patients receiving localized external beam radiation therapy (EBRT) Assay processed at EBRT time points, baseline, midpoint (days 19-21) and endpoint (days 38-42)

2015-06-17 | GSE69961 | GEO

Assessing Radiation Therapy induced changes in Androgen Receptor Pathway activity using hK2-targeted PET imaging

Project description:To investigate the effects of external beam radiation therapy on androgen receptor pathway transcriptomic expression in prostate cancer, we performed RNAseq on EBRT-treated LNCAP xenograft tumors.

2022-06-27 | GSE206847 | GEO

Molecular-genetic correlates of fatigue in cancer patients receiving localized external beam radiation therapy

Project description:The etiology behind cancer-related fatigue (CRF) is currently unknown. The physiological mechanisms of CRF are based on limited evidence that genetic factors, energy expenditure, metabolism, aerobic capacity, and the individual's immune response to inflammation are responsible for the experience of CRF. Gene expression profiling using microarray analysis from white blood cells of men with non-metastatic prostate cancer shows significant, differential expression of 463 probesets during localized external beam radiation therapy (EBRT). Pathway analysis shows a central role of SNCA (alpha-synuclein gene) among these differentially expressed probesets. Significant expression of SNCA was confirmed by qPCR (p<.001) and ELISA (p<.001) over time during EBRT. A significant correlation was noted between averaged fatigue scores and delta CT values of SNCA expression using confirmatory qPCR over time during EBRT (R=-.90, p=.006). Development of fatigue experienced by these men during EBRT may be mediated by SNCA expression. Pathways related to alpha-synuclein may serve as useful biomarkers to understand the mechanisms behind the development of fatigue. A longitudinal design exploring the association between changes in gene expression and fatigue symptoms of men with non-metastatic prostate cancer receiving external beam radiation therapy. Blood samples were collected from ten subjects at 7 timepoints for microarray analysis: baseline (before EBRT); days 1, 7, 14, 21, 42 of EBRT; and 30 days post-EBRT. Baseline data obtained from subjects were compared to data obtained from age-, race-, and gender-matched healthy controls.

2012-12-21 | E-GEOD-30174 | biostudies-arrayexpress

Cancer responses to targeted radionuclide therapy (TRT) and external beam radiotherapy (EBRT)

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Molecular-genetic correlates of fatigue in cancer patients receiving localized external beam radiation therapy

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Gene expression profiles of primary tumors with radiotherapy and lung metastases in mouse squamous cell carcinoma model.

Project description:To examine whether the local carbon ion radiotherapy affects the characteristics of the metastatic tumors, the expression profiles of the primary tumors and the lung metastases were studied in a mouse squamous cell carcinoma model by applying local radiotherapy with no irradiation (negative control), gamma-ray irradiation (reference beam), and carbon-ion irradiation. Keywords: mouse, squamous cell carcinoma, primary tumor, lung metastases, radiotherapy, carbon ion, gamma ray A highly metastatic mouse squamous cell carcinoma NR-S1 was implanted into the hind leg of synergetic C3H/HeNrs mice and irradiated with 5 Gy of carbon ion beam. 8 Gy of gamma ray was used as a reference beam. At 2 weeks after the irradiation, the lung tissue was sampled. In order to collect samples of primary tumors, the tumors were implanted in other mice and irradiated in the same manner, and the primary tumors were collected at 1 week after the irradiation. The tumor cells of the primary and metastatic tumors were collected by laser microdissection, and oligonucleotide microarray analysis of the irradiated primary tumors and the metastatic tumors were all performed in comparison to the non-irradiated primary tumor by two-color methods.

2009-04-22 | E-GEOD-9305 | biostudies-arrayexpress

Gene expression profiles of primary tumors with radiotherapy and lung metastases in mouse squamous cell carcinoma model.

2009-04-23 | GSE9305 | GEO

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